Expansion unit for the extension of electronic computer functions



FIG. 1 is a top front and left side perspective view of an expansion unit for the extension of electronic computer functions showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right side elevational view thereof showing supporting leg in extruded position. 

The ornamental design for an expansion unit for the extension of electronic computer functions, as shown and described. 